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BORING •
<br />T OP OF :a• BOR
<br />8
<br />BLOWS REQUIRED TO PENETRATE
<br />EACH SIX INCH CHANGE IN
<br />ELEVATION USING A 140 POUND
<br />WEIGHT FALLING 30 INCHES
<br />BLOWS REQUIRED TO PENETRATE
<br />EACH SIX INCH CHANGE IN
<br />ELEVATION USING A 300 POUND
<br />WEIGHT FALLING 24 INCHES
<br />FIGURE WHEN BELOW BEDROCK
<br />INDICATES THE MINUTES REQUIRED
<br />TO PENETRATE DEPTH AS MARKED
<br />OF ROCK USING STANDARD
<br />PROCEDURES
<br />NOTE:
<br />FOR DRILLER'S NAME, SOILS
<br />ENCOUNTERED AND OTHER
<br />PERTINENT DATA SEE BORING
<br />LOGS BOUND IN SPECIFICATIONS
<br />4
<br />RA
<br />7
<br />7
<br />13 GROUNDWATER LEVEL AND
<br />DEPTH FROM TOP OF BORING
<br />—2.0' (NO WATER WAS ENCOUNTERED
<br />IF NO SYMBOL IS PRESENT)
<br />=
<br />. 24 3.0'
<br />14'
<br />— 22` SOIL STRATA CHANGE AND
<br />DEPTH FROM TOP OF BORING
<br />—5.0'
<br />6.5'
<br />"BEDROCK" INDICATES BORING
<br />WAS MADE IN ROCK
<br />BOTTOM 8.0'
<br />INDICATES DEPTH OF BORING
<br />1. THE CONTRACTOR SHALL CALL DIGSAFE AT
<br />1 -800- 322 -4844 AT LEAST 72 HOURS, SATURDAYS,
<br />SUNDAYS, AND HOLIDAYS EXCLUDED, PRIOR TO
<br />EXCAVATING AT ANY LOCATION. A COPY OF THE DIGSAFE
<br />PROJECT REFERENCE NUMBER(S) SHALL BE GIVEN
<br />TO THE OWNER PRIOR TO EXCAVATION,
<br />2. LOCATIONS OF EXISTING PIPES, CONDUITS, UTILITIES,
<br />FOUNDATIONS AND OTHER UNDERGROUND OBJECTS ARE
<br />NOT WARRANTED TO BE CORRECT AND THE CONTRACTOR
<br />SHALL HAVE NO CLAIM ON THAT ACCOUNT SHOULD
<br />THEY BE OTHER THAN SHOWN.
<br />3. STONE WALLS, FENCES, MAIL BOXES, SIGNS, CURBS,
<br />LIGHT POLES, ETC.. SHALL BE REMOVED AND REPLACED
<br />AS NECESSARY TO PERFORM THE WORK. UNLESS
<br />OTHERWISE INDICATED, ALL SUCH WORK SHALL BE
<br />INCIDENTAL TO CONSTRUC11ON OF THE PROJECT.
<br />4. ALL PAVEMENT DISTURBED BY THE CONTRACTOR'S
<br />OPERATIONS SHALL BE REPLACED IN ACCORDANCE WITH
<br />THE SPECIFICATIONS AND AS SHOWN ON THE DRAWINGS,
<br />5. ALL AREAS DISTURBED BY THE CONTRACTOR BEYOND
<br />PAYMENT LIMITS SHALL BE RESTORED AT NO ADDITIONAL
<br />COST TO THE OWNER.
<br />6. CONCRETE CRADLES OR ARCHES SHALL BE CONSTRUCTED
<br />WHERE SHOWN ON THE DRAWINGS OR WHERE DIRECTED
<br />BY THE ENGINEER. UNLESS OTHERWISE INDICATED,
<br />CONCRETE USED FOR PIPE ANCHOR BLOCKS, BACKING,
<br />PIPE CRADLES, ARCHES, AND FILL SHALL HAVE A MINIMUM
<br />COMPRESSIVE STRENGTH OF 3000 PSI AT 28 DAYS.
<br />7. CONCRETE THRUST BLOCKS, ANCHOR BLOCKS, OR APPROVED
<br />JOINT RESTRAINT METHODS SHALL BE PROVIDED FOR FORCE
<br />MAINS WHERE ANY BENDS, TEES, PLUGS, OR WYES ARE
<br />INSTALLED. FOR THRUST BLOCK DETAILS AND MINIMUM
<br />BLOCK BEARING AREAS, SEE DETAILS.
<br />8. THE CONTRACTOR SHALL NOT STORE ANY APPARATUS,
<br />MATERIALS, SUPPLIES, OR EQUIPMENT ON DRAINAGE
<br />STRUCTURES OR WITHIN 100 FEET OF WETLANDS, SEE SPECIFICATIONS.
<br />9. FILL CONCRETE IS TO HAVE A ;MINIMUM COMPRESSIVE STRENGTH
<br />OF f'c =3,OOOpSi ALL OTHER CONCRETE IS TO HAVE A MINIMUM
<br />COMPRESSIVE STRENGTH OF f'c= 4,000psi.
<br />10. THE CONTRACTOR SHALL INSTALL THE EROSION CONTROL
<br />DEVICES BEFORE BEGINNING OTHER WORK ON THE SITE.
<br />11. ELEVATIONS REFERENCED ARE NATIONAL GEODETIC
<br />VERTICAL DATUM (NGVD), FORMERLY U.S. COAST AND
<br />GEODETIC SURVEY DATUM OF 1929.
<br />12. EXISTING UTILITY AND PROPERTY LINE INFORMATION,
<br />TOPOGRAPHIC INFORMATION, EDGE OF PAVEMENT, UTILITY
<br />POLE LOCATIONS, AND LOCATIONS OF EXISTING ABOVE
<br />GROUND STRUCTURES WERE TAKEN FROM PLANS SUPPLIED
<br />BY THE TOWN OF LEXINGTON, MASSACHUSETTS.
<br />LEGEND
<br />DESCRIPTION
<br />EXISTING
<br />PROPOSED
<br />SANITARY SEWER
<br />— 10 "s Pvc
<br />—
<br />WATER MAIN
<br />6 11w
<br />STORM DRAIN
<br />— 18 "D RC
<br />—
<br />FORCE MAIN
<br />—6 " FM DI
<br />GAS
<br />4 "G
<br />ELECTRIC
<br />— E -
<br />TELEPHONE
<br />T
<br />SANITARY SEWER MANHOLE
<br />O sMH
<br />STORM DRAIN MANHOLE
<br />O sDMH
<br />ELECTRICAL MANHOLE
<br />TELEPHONE MANHOLE
<br />CATCH BASIN
<br />ED
<br />HYDRANT
<br />MH
<br />GATE VALVE
<br />CHECK VALVE
<br />REDUCER
<br />CAP OR PLUG
<br />GAS GATE VALVE
<br />O
<br />UTILITY POLE
<br />TRAFFIC LIGHT
<br />STREET LIGHT
<br />d
<br />EDGE OF PAVEMENT
<br />EDGE OF UNPAVED ROAD
<br />CURB (GRAN, CONC, OR BITUM)
<br />GC, cc, BC
<br />SIDEWALK (CONC. OR BITUMIN.)
<br />c oNC sw. eiT s
<br />RAILROAD
<br />STONE WALL
<br />FENCE
<br />_
<br />RETAINING WALL
<br />RET wa��
<br />INDIVIDUAL DECIDUOUS TREE
<br />INDIVIDUAL EVERGREEN TREE
<br />TREE LINE
<br />SURVEY MARKER
<br />o
<br />PROPERTY LINE
<br />PC
<br />EASEMENT LINE
<br />LIMIT OF WORK
<br />'
<br />APPROX. LIMIT OF REFUSE
<br />SPOT ELEVATIONS
<br />X 141.5
<br />X 141.5
<br />CONTOUR LINES
<br />56
<br />56 ---
<br />BUILDING NUMBER
<br /># 35 l
<br />WETLAND
<br />y
<br />RIP RAP
<br />STATE HIGHWAY STATION
<br />o
<br />GUARD POST
<br />A
<br />BOLLARD
<br />O B
<br />SIGN
<br />0 s
<br />BORING
<br />® B -10
<br />Q4B -11
<br />GROUNDWATER MO NITORING WELL
<br />®ws -�
<br />(D WS-1
<br />HAY BALES AND SILT FENCE
<br />ROCK OUTCROP
<br />DRAINAGE DITCH / SWALE
<br />-
<br />BORING •
<br />T OP OF :a• BOR
<br />8
<br />BLOWS REQUIRED TO PENETRATE
<br />EACH SIX INCH CHANGE IN
<br />ELEVATION USING A 140 POUND
<br />WEIGHT FALLING 30 INCHES
<br />BLOWS REQUIRED TO PENETRATE
<br />EACH SIX INCH CHANGE IN
<br />ELEVATION USING A 300 POUND
<br />WEIGHT FALLING 24 INCHES
<br />FIGURE WHEN BELOW BEDROCK
<br />INDICATES THE MINUTES REQUIRED
<br />TO PENETRATE DEPTH AS MARKED
<br />OF ROCK USING STANDARD
<br />PROCEDURES
<br />NOTE:
<br />FOR DRILLER'S NAME, SOILS
<br />ENCOUNTERED AND OTHER
<br />PERTINENT DATA SEE BORING
<br />LOGS BOUND IN SPECIFICATIONS
<br />4
<br />RA
<br />7
<br />7
<br />13 GROUNDWATER LEVEL AND
<br />DEPTH FROM TOP OF BORING
<br />—2.0' (NO WATER WAS ENCOUNTERED
<br />IF NO SYMBOL IS PRESENT)
<br />=
<br />. 24 3.0'
<br />14'
<br />— 22` SOIL STRATA CHANGE AND
<br />DEPTH FROM TOP OF BORING
<br />—5.0'
<br />6.5'
<br />"BEDROCK" INDICATES BORING
<br />WAS MADE IN ROCK
<br />BOTTOM 8.0'
<br />INDICATES DEPTH OF BORING
<br />1. THE CONTRACTOR SHALL CALL DIGSAFE AT
<br />1 -800- 322 -4844 AT LEAST 72 HOURS, SATURDAYS,
<br />SUNDAYS, AND HOLIDAYS EXCLUDED, PRIOR TO
<br />EXCAVATING AT ANY LOCATION. A COPY OF THE DIGSAFE
<br />PROJECT REFERENCE NUMBER(S) SHALL BE GIVEN
<br />TO THE OWNER PRIOR TO EXCAVATION,
<br />2. LOCATIONS OF EXISTING PIPES, CONDUITS, UTILITIES,
<br />FOUNDATIONS AND OTHER UNDERGROUND OBJECTS ARE
<br />NOT WARRANTED TO BE CORRECT AND THE CONTRACTOR
<br />SHALL HAVE NO CLAIM ON THAT ACCOUNT SHOULD
<br />THEY BE OTHER THAN SHOWN.
<br />3. STONE WALLS, FENCES, MAIL BOXES, SIGNS, CURBS,
<br />LIGHT POLES, ETC.. SHALL BE REMOVED AND REPLACED
<br />AS NECESSARY TO PERFORM THE WORK. UNLESS
<br />OTHERWISE INDICATED, ALL SUCH WORK SHALL BE
<br />INCIDENTAL TO CONSTRUC11ON OF THE PROJECT.
<br />4. ALL PAVEMENT DISTURBED BY THE CONTRACTOR'S
<br />OPERATIONS SHALL BE REPLACED IN ACCORDANCE WITH
<br />THE SPECIFICATIONS AND AS SHOWN ON THE DRAWINGS,
<br />5. ALL AREAS DISTURBED BY THE CONTRACTOR BEYOND
<br />PAYMENT LIMITS SHALL BE RESTORED AT NO ADDITIONAL
<br />COST TO THE OWNER.
<br />6. CONCRETE CRADLES OR ARCHES SHALL BE CONSTRUCTED
<br />WHERE SHOWN ON THE DRAWINGS OR WHERE DIRECTED
<br />BY THE ENGINEER. UNLESS OTHERWISE INDICATED,
<br />CONCRETE USED FOR PIPE ANCHOR BLOCKS, BACKING,
<br />PIPE CRADLES, ARCHES, AND FILL SHALL HAVE A MINIMUM
<br />COMPRESSIVE STRENGTH OF 3000 PSI AT 28 DAYS.
<br />7. CONCRETE THRUST BLOCKS, ANCHOR BLOCKS, OR APPROVED
<br />JOINT RESTRAINT METHODS SHALL BE PROVIDED FOR FORCE
<br />MAINS WHERE ANY BENDS, TEES, PLUGS, OR WYES ARE
<br />INSTALLED. FOR THRUST BLOCK DETAILS AND MINIMUM
<br />BLOCK BEARING AREAS, SEE DETAILS.
<br />8. THE CONTRACTOR SHALL NOT STORE ANY APPARATUS,
<br />MATERIALS, SUPPLIES, OR EQUIPMENT ON DRAINAGE
<br />STRUCTURES OR WITHIN 100 FEET OF WETLANDS, SEE SPECIFICATIONS.
<br />9. FILL CONCRETE IS TO HAVE A ;MINIMUM COMPRESSIVE STRENGTH
<br />OF f'c =3,OOOpSi ALL OTHER CONCRETE IS TO HAVE A MINIMUM
<br />COMPRESSIVE STRENGTH OF f'c= 4,000psi.
<br />10. THE CONTRACTOR SHALL INSTALL THE EROSION CONTROL
<br />DEVICES BEFORE BEGINNING OTHER WORK ON THE SITE.
<br />11. ELEVATIONS REFERENCED ARE NATIONAL GEODETIC
<br />VERTICAL DATUM (NGVD), FORMERLY U.S. COAST AND
<br />GEODETIC SURVEY DATUM OF 1929.
<br />12. EXISTING UTILITY AND PROPERTY LINE INFORMATION,
<br />TOPOGRAPHIC INFORMATION, EDGE OF PAVEMENT, UTILITY
<br />POLE LOCATIONS, AND LOCATIONS OF EXISTING ABOVE
<br />GROUND STRUCTURES WERE TAKEN FROM PLANS SUPPLIED
<br />BY THE TOWN OF LEXINGTON, MASSACHUSETTS.
<br />
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